Thanks Marcel!
I'm no hardware guy, but I'm pretty sure the ULA locks ALL internal
memory during screen refresh, i.e. depending on model (EU/US) 50 or 60
times per second. The CPU cannot access anything at all during these
times.
OK, I will measure read/write time in the vram anyway. ULA should
On 11 Aug 2007, at 13:57, Dilwyn Jones wrote:
PAR_WAIT (presumably something to do with parallel port)
This is part of SMSQ/E but its definition is not in my QPC2 manual.
The code seems to set a pause for a period of time. Perhaps the
author knows what for?
George
George Gwilt wrote:
PAR_WAIT (presumably something to do with parallel port)
This is part of SMSQ/E but its definition is not in my QPC2 manual.
The code seems to set a pause for a period of time. Perhaps the
author knows what for?
That would be Tony.
According to the QDOS Classic
Ian L. Pine wrote:
Mauny Amiga 1200s had an internal hard disk, yours doesn't seem to. Oh
well, this means that you'll be swapping floppies a great deal and I'm
not sure that QDOS4Amiga will actually fit on one and be usable.
Hmmm. Might be more trouble that it's worth then. I haven't
